Communication network-based distribution automation system simulation test method

A power distribution automation and communication network technology, applied in the field of system-level simulation testing, can solve problems such as equipment and system function maintenance testing and functional verification difficulties, and achieve the effect of improving the level of R&D testing and simplifying the testing process

Active Publication Date: 2017-03-22
NANJING INTELLIGENT APP
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Problems solved by technology

With the investment of a large number of automation equipment, the maintenance testing and functional verification of these equipment and system functions have brought new problems. The current testing m

Method used

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  • Communication network-based distribution automation system simulation test method
  • Communication network-based distribution automation system simulation test method

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Embodiment Construction

[0010] The technical solutions of the present invention will be further described below through specific examples.

[0011] Such as figure 1 Shown is a simulation test block diagram of the distribution automation system based on the communication network of the present invention.

[0012] There are five circuit breakers on a line connecting two substations, two of which are installed in the substations. The other three divide the line into four sections, and the contact switch DL5 is normally in the divided state, which is the simplest distribution line.

[0013] A power distribution terminal is installed next to the three circuit breakers on the line, and the power distribution terminal is connected to the control center—the main station through a wireless network or an optical fiber network. The power distribution terminal is externally connected with GPS timing equipment. The power distribution terminal can collect line voltage, current and switch position and send them ...

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Abstract

The invention discloses a communication network-based distribution automation system simulation test method. The method comprises a fault simulation software, a novel distribution automation terminal having the simulation function, a time setting device and a communication network. The fault simulation software is arranged in a computer at the background of a main station and is an off-line software. The software can be used for simulating various operation conditions according to the distribution network architecture and the configuration thereof, and generating the electric quantity and the switching value at the installation part of each distribution automation terminal. The novel distribution automation terminal can generate an analog quantity sampling value according to the effective values of the voltage and the current, and the phase input through the communication network. Meanwhile, the novel distribution automation terminal can generate a binary input sampling value according to a binary input state. The fault simulation software sends generated analog data, switching data and preset time data to the distribution automation terminal. After the time setting process of the GPS, the novel distribution automation terminal generates the corresponding data of an analog quantity and a switching quantity at a specified time moment according to the time data. Therefore, the system-level automatic test of the distribution network field can be realized at the background of the main station.

Description

technical field [0001] Aiming at the current single-device maintenance test mode of 10kV distribution network equipment, the present invention proposes a system-level simulation test of the distribution network automation system, which can be used for on-site regular maintenance tests, and can also be used for development and verification tests of distribution network control algorithms. Background technique [0002] With the continuous development of the economy, the requirements for power supply reliability and intelligence of the power grid are getting higher and higher. After building a strong transmission network, the power grid company has accelerated the technical upgrade of the power supply reliability of the distribution network system that is closely related to people's work and life, and adopted a large number of distribution automation terminals and communication equipment to realize fault detection, fault location, and fault isolation and automated solutions for...

Claims

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Application Information

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IPC IPC(8): G05B17/02G01R31/00
Inventor 张杭万尚军张燕丁洁
Owner NANJING INTELLIGENT APP
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